随机显示个性签名的js代码(兼容ie,firefox)

//让Mozilla支持innerText
try{
HTMLElement.prototype.__defineGetter__
(
"innerText",
function ()
{
var anyString = "";

var childS = this.childNodes;
for(var i=0; i<childS.length; i++)
{
if(childS[i].nodeType==1)
anyString += childS[i].tagName=="BR" ? '\n' : childS[i].innerText;
else if(childS[i].nodeType==3)
anyString += childS[i].nodeValue;
}
return anyString;
}
);
}
catch(e){}